<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <div id="main" style="width: 750px;height:400px;"></div>
    </el-card>
  </div>
</template>
<script>
import _ from 'lodash'
var echarts = require('echarts')
export default {
  data() {
    return {
      data: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  methods: {
    async getchart() {
      const { data: res } = await this.$http.get('reports/type/1')
      if (res.meta.status !== 200) return this.$message.error('获取数据失败')
      this.$message.success('获取数据成功')

      var myChart = echarts.init(document.getElementById('main'))

      myChart.setOption(_.merge(this.data, res.data))
    }
  },
  created() {},
  mounted() {
    this.getchart()
  }
}
</script>
<style lang="less" scoped></style>
